Media Collection: Fort Rock 2
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Cross section of an idealized tuff ring. Later beds abut earlier beds along a slip face on left side of crater wall.
Courtesy National Park Service illustration by Trista Thornberry-Ehrlich
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Photograph showing notable discordance between the bedding attitude of younger layers where plastered against sloughed wall of crater during eruptions.
Older beds are to the right of boundary line. Photograph taken on September 18, 2024. Courtesy David Sherrod